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Finding the Third Proportional to 299,478 and 655,224

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Solution

The third proportional to 299,478 and 655,224 is: 1,433,556.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,478 : 655,224 = 655,224 : x
  2. Step 2: Convert to fraction form
    299,478/655,224 = 655,224/x
  3. Step 3: Cross multiply
    299,478x = 655,224 × 655,224
  4. Step 4: Simplify right side
    299,478x = 429,318,490,176
  5. Step 5: Solve for x
    x = 429,318,490,176/299,478
  6. Step 6: Final answer
    x = 1,433,556.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.